Travel agent degree of vertical integration and low degree of internationalization, poor international competitiveness.

旅行社的纵向一体化程度和国际化程度较低，国际竞争力较差。

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Vertical three-screw pump smooth operation, low noise.

立式三螺杆泵运行平稳，噪音低。

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Modular Jack, Vertical, Low Profile, 8/4

描述：模块化插孔，垂直，扁平， 8/4。

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Modular Jack, Vertical, Low Profile, 8/4

描述：模块化插孔，垂直，扁平， 8/4。

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